Direct conversion of thermal energy to electrical energy is facilitated by the

A. Fuel cells

B. Photo voltaic cell

C. Magneto hydrodynamic generator

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Unit of viscosity in CGS system is
  2. What is the value of entropy at 273°K?
  3. M10 index of coke indicates its
  4. Often earing defects are found during deep drawing operation, because the
  5. Cemented carbide tools are not suitable for cutting
  6. Constituents of stellite are
  7. Increasing sulphur content in pig iron tends to make it
  8. For an ideal gas, Cp - Cv is
  9. The leaching solvent used in Baeyer's process for the purification of bauxite is
  10. The burnout heat flux in the nucleate boiling regime is not a function of the
  11. Which of the following is an undesirable property of slag produced during the Pyrometallurgical method…
  12. Coarse grained steels have
  13. What is the range of tempering temperature (°C) for most of the materials?
  14. In extrusion of metals, which of the following statement is true?
  15. Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial…
  16. Dielectric
  17. Filler material used in welding should have __________ as compared to the parent metal to be welded.
  18. Boiling point of water gets lowered at high altitudes (e.g., hills), because
  19. Yield strength of a polycrystalline metal with an average grain size d, is proportional to
  20. In the diving apparatus, helium is used along with oxygen, because it is
  21. Pick out the wrong statement.
  22. Steel produced from phosphatic iron is __________ in nature.
  23. Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.
  24. A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
  25. Hydro-cyclone is a
  26. Rain drops falling through atmospheric air attain limited terminal velocity, because of
  27. Drills are usually made of
  28. Which of the, following is not associated with the functioning of a petrol engine?
  29. Which of the following is the most suitable abrasive for grinding high tensile strength materials?
  30. Mho's scale of hardness, which consists of 10 standard minerals is used for the measurement of __________…